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Published byEdith Singleton Modified over 9 years ago
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1 ORAL AND GASTROINTESTINAL DISEASES CHAPTER 22
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2 Anatomy Review Mouth Stomach Small Intestine
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3 GIT Review Large Intestine harbors most bacteria. Food can hang out here for 60 hours or more. Normal microflora Bacteriodes, E. coli, Clostridium
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4 Oral Cavity Bacterial Diseases Dental Plaque “biofilm” Streptococcus mutans and sanguis Dental Caries Periodontal disease Tooth decay gingivitis Sorbitols, xylitols
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5 Oral Cavity Fungal Diseases Thrush Candida
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6 Gastrointestinal Bacterial Intoxications Staphylococcal Enterotoxicosis Clostridium perfringens Enterotoxicosis
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7 Gastrointestinal Bacterial Intoxications Botulism extreme toxicity of botulinum neurotoxin Bacillus cereus - 2-5% 0f foodborne, enterotoxin Clostridium perfringens enterotoxin Clostridium botulinum
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8 Bacterial Infections Enteritis Inflammation of the intestine, mild diarrhea Dysentery severe diarhea Risk of dehydration or anemia. Salmonella typhi, Vibrio cholera
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9 Bacterial Infectious Disease Salmonellosis chronic infection. reproduction in macrophages Typhoid Fever chronic infection of lymphatic tissue
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10 Bacterial Shigellosis Shigellosis extreme dysentary. Plasmid-borne virulence factors
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11 Bacterial Infectious Disease Asiatic Cholera Vibriosis “uncooked shellfish” Traveller’s Diarrhea enteroinvasive E.coli, Shigella, protozoa,
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12 Bacterial Infectious Disease more food poisoning Campylobacter poultry, microaerophilic Yersinia psychrophilic Listeria- is one of the most virulent foodborne pathogens with 20 to 30 percent of clinical infections resulting in death.
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13 Bacterial Upper G.I. Disease Peptic Ulcer/Chronic Gastritis
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14 Bacterial Biliary Tract Disease Pseudomembranous Colitis Clostrudium difficile
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15 Viral Gastrointestinal Disease Viral Enteritis Rotavirus, Norwalk virus (cruise ship FP)
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16 Viral Hepatitis Hepatitis A Hepatitis B Infectious oral, RNA Blood borne, DNA
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17 Hepatitis Incidence
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18 Viral Hepatitis Hepatitis C blood, RNA Hepatitis D co-infection with B Hepatitis E - oral, RNA
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19 Protozoan GI Disease — Giardiasis Giardia lamblia
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20 Protozoan GI Disease — Amebic Dysentery Entameba histolytica
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21 Protozoan GI Disease — Balantidiasis Balantidium coli
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22 Protozoan Gastrointestinal Disease Cryptosporidiosis fecal-oral route, cysts
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